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Database Management Oracle Objective
Feb 22, 2013

Which of the following is false about modifying table columns?

Choose the correct answer:
A) You can increase the number of characters in character columns or the number of digits in numeric columns
B) You can drop a column at any time.
C) You can add a column at any time as long as it is a NULL column.
D) You cannot increase or decrease the number of decimal places.
Detailed Explanation

no exaplanation

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